不同种植方式和氮肥水平下香超级稻和非香超级稻的经济效益、能源利用效率和碳足迹

IF 4 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY Journal of the Science of Food and Agriculture Pub Date : 2025-02-04 DOI:10.1002/jsfa.14150

Jiewen Zheng, Li Lin, Yuzhan Li, Zaiman Wang, Xiangru Tang, Shenggang Pan, Zhaowen Mo

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引用次数: 0

摘要

背景：研究不同作物管理方式下香稻和非香稻的能量投入与产出、碳投入与固存以及经济效益，旨在为水稻可持续生产提供理论指导。2018年和2019年在3个氮肥水平（0、150和220 kg hm -1）和3种种植方式（人工移栽、机械移栽和机械直播）下种植了2个高产畅销水稻品种玉香优展和吉优615。结果：不同水稻品种的经济效益、能源效益和碳效益随施肥和种植方式的不同而不同。“鱼香油站”和“吉油615”的平均能量输出分别为214 423.26和218 474.90 MJ ha-1。吉优615的平均收获指数和平均能量利用效率分别为4.21%和3.93%，略高于吉优615；吉优615的平均碳投入固碳率为1.79%，略高于吉优615。玉香油盏的平均效益成本比（5.76%）显著高于吉油615。此外，豫香油站的平均能源投入名义经济回报率（12.21%）、能源产出名义经济回报率（13.20%）、碳投入名义经济回报率（12.65%）和固碳名义经济回报率（11.31%）显著高于冀油615。结论：选择适合消费者需求的高产优质品种以及品种与作物管理的协同效应，对水稻可持续生产具有重要意义。©2025化学工业协会。

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The economic benefits, energy use efficiency, and carbon footprint of fragrant super rice and nonfragrant super rice under different planting methods and nitrogen levels

Background

The objective of this study was to investigate the input and output of energy, carbon input and sequestration, and economic benefits of fragrant and nonfragrant rice under different crop management practices, with the aim of providing theoretical guidance for sustainable rice production. Two high-yield and popular rice varieties, Yuxiangyouzhan and Jiyou615, were grown under three nitrogen fertilizer levels (0, 150, and 220 kg ha⁻¹) and three planting methods (manual transplanting, mechanical transplanting, and mechanical direct seeding) during 2018 and 2019.

Results

The results showed that the economic, energy, and carbon benefits of the different rice varieties varied in response to the different fertilizations and planting methods. The average energy outputs of Yuxiangyouzhan and Jiyou615 were 214 423.26 and 218 474.90 MJ ha⁻¹, respectively. The mean harvest index and mean energy use efficiency of Jiyou615 were slightly greater, at 4.21% and 3.93%, respectively, than those of Yuxiangyouzhan, while the mean carbon input–sequestration ratio of Yuxiangyouzhan was slightly greater, at 1.79%, than that of Jiyou615. Yuxiangyouzhan had a significantly greater mean benefit–cost ratio (5.76%) than Jiyou615. In addition, Yuxiangyouzhan had a significantly greater mean nominal economic return on energy input (12.21%), nominal economic return on energy output (13.20%), nominal economic return on carbon input (12.65%), and nominal economic return on carbon sequestration (11.31%) than Jiyou615.

Conclusion

The results suggest that suitable high-yield and high-quality varieties with better consumer demand and the synergistic effect of variety and crop management in sustainable rice production are highly meaningful. © 2025 Society of Chemical Industry.

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来源期刊

Journal of the Science of Food and Agriculture 工程技术-农业综合

CiteScore

8.10

自引率

4.90%

发文量

634

审稿时长

3.1 months

期刊介绍： The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface. Published for SCI by John Wiley & Sons Ltd. SCI (Society of Chemical Industry) is a unique international forum where science meets business on independent, impartial ground. Anyone can join and current Members include consumers, business people, environmentalists, industrialists, farmers, and researchers. The Society offers a chance to share information between sectors as diverse as food and agriculture, pharmaceuticals, biotechnology, materials, chemicals, environmental science and safety. As well as organising educational events, SCI awards a number of prestigious honours and scholarships each year, publishes peer-reviewed journals, and provides Members with news from their sectors in the respected magazine, Chemistry & Industry . Originally established in London in 1881 and in New York in 1894, SCI is a registered charity with Members in over 70 countries.